20090470818978

Names of 20090470818978

• Cardinal: 20090470818978 can be written as Twenty trillion, ninety billion, four hundred seventy million, eight hundred eighteen thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 2.0090470818978 × 10¹³

Factors of 20090470818978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 170

Divisors of 20090470818978

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 81 93 126 127 162 186 189 217 243 254 279 378 381 434 486 558 567 651 729 762 837 889 961 1134 1143 1302 1458 1674 1701 1778 1922 1953 2286 2511 2667 2883 3402 3429 3906 3937 5022 5103 5334 5766 5859 6727 6858 7533 7874 8001 8649 10206 10287 11718 11811 13454 15066 16002 16129 17298 17577 20181 20574 22599 23622 24003 25947 27559 30861 32258 35154 35433 40362 45198 48006 48387 51894 52731 55118 60543 61722 70866 72009 77841 82677 92583 96774 105462 106299 112903 121086 122047 144018 145161 155682 158193 165354 181629 185166 212598 216027 225806 233523 244094 248031 290322 316386 318897 338709 363258 366141 432054 435483 467046 496062 499999 544887 637794 648081 677418 700569 732282 744093 854329 870966 956691 999998 1016127 1089774 1098423 1296162 1306449 1401138 1488186 1499997 1634661 1708658 1913382 2032254 2048383 2196846 2232279 2562987 2612898 2870073 2999994 3048381 3269322 3295269 3499993 3919347 4096766 4464558 4499991 4903983 5125974 5740146 6096762 6145149 6590538 6696837 6999986 7688961 7838694 8999982 9145143 9807966 9885807 10499979 11758041 12290298 13393674 13499973 14338681 15377922 15499969 18290286 18435447 19771614 20090511 20999958 23066883 23516082 26999946 27435429 28677362 29657421 30999938 31499937 36870894 40181022 40499919 43016043 46133766 46499907 54870858 55306341 59314842 62999874 63499873 69200649 80999838 82306287 86032086 88972263 92999814 94499811 108499783 110612682 121499757 126999746 129048129 138401298 139499721 164612574 165919023 177944526 188999622 190499619 207601947 216999566 242999514 258096258 278999442 283499433 325499349 331838046 364499271 380999238 387144387 415203894 418499163 444499111 497757069 566998866 571498857 622805841 650998698 728998542 774288774 836998326 850498299 888998222 976498047 995514138 1142997714 1161433161 1245611682 1255497489 1333497333 1493271207 1700996598 1714496571 1952996094 1968496063 2322866322 2510994978 2551494897 2666994666 2929494141 2986542414 3428993142 3484299483 3766492467 3936992126 4000491999 5102989794 5143489713 5858988282 5905488189 6968598966 7532984934 8000983998 8788482423 10286979426 10452898449 11299477401 11810976378 12001475997 13779472441 15430469139 17576964846 17716464567 20905796898 22598954802 24002951994 26365447269 27558944882 30860938278 35432929134 36004427991 41338417323 46291407417 52730894538 53149393701 72008855982 79096341807 82676834646 92582814834 106298787402 108013283973 124015251969 158192683614 159448181103 216026567946 248030503938 318896362206 324039851919 372045755907 478344543309 648079703838 744091511814 956689086618 1116137267721 1435033629927 2232274535442 2870067259854 3348411803163 6696823606326 10045235409489 20090470818978
• Sum of all divisors σ(n): 53780519024640
• Sum of proper divisors (its aliquot sum) s(n): 33690048205662
• 20090470818978 is an abundant number, because the sum of its proper divisors (33690048205662) is greater than itself. Its abundance is 13599577386684

Bases of 20090470818978

• Binary: 100100100010110101101011000000110010010100010₂
• Hexadecimal: 0x1245AD6064A2
• Base-36: 74DFNLS4I

Squares and roots of 20090470818978

• 20090470818978 squared (20090470818978²) is 403627017728206550044964484
• 20090470818978 cubed (20090470818978³) is 8109056821419649572493001559592403177352
• The square root of 20090470818978 is 4482239.4870173995
• The cube root of 20090470818978 is 27185.0438696471

Scales and comparisons

• 20,090,470,818,978 seconds is equal to 638,814 years, 43 weeks, 10 hours, 36 minutes, 18 seconds.
• To count from 1 to 20,090,470,818,978 would take you about one million, five hundred ninety-seven thousand and thirty-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20090470818978 cubic inches would be around 2265.4 feet tall.

Recreational maths with 20090470818978

• 20090470818978 backwards is 87981807409002
• 20090470818978 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20090470818978's digits is 63
• More coming soon!